OpenTechnical

OT-2026-000087624

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000087624) never changes.

Identity and time

Publication numberOT-2026-000087624 · never reused
Internal UUID01a0ae9a-cd53-742b-80bd-d3d107b4d124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087624
StatusPUBLIC

Content hashes

Canonical texta8631308365e18482abb4e16df126ea422deab41d8983f1f240db74e5f1b67b9
Markdownd0398c2e75fb8fb3a921cc865692287ef0aeb28d25992182b52cf8740e230158
PDF
Publication page4482878cc563d832e44af80347d6e594de78d843bb523bacf6171d2e111cdf36
Manifesta0c284c93e743c01aa4ea8ecd09efd4ea394bb553d2cfcbce6e7e7a0057fa8e1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureoR76LJmrnSkE+E5cWSLpW/emwLSbzybwFr6Ft4n5C4Gf12kQZYLfu1B1TitAqAy9S83bXidrCUj3QHLv+cINAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:21.864108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624
observed 4482878cc563d832e44af80347d6e594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.847097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624/manifest.json
observed a0c284c93e743c01aa4ea8ecd09efd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.829654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624/publication.md
observed d0398c2e75fb8fb3a921cc865692287e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.813534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624/publication.txt
observed a8631308365e18482abb4e16df126ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.746264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624
observed 4482878cc563d832e44af80347d6e594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.729681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624/manifest.json
observed a0c284c93e743c01aa4ea8ecd09efd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.713129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624/publication.md
observed d0398c2e75fb8fb3a921cc865692287e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.686200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087624/publication.txt
observed a8631308365e18482abb4e16df126ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.